/**
 * Copyright 2022 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
'use strict';

// addCopyButtons adds a copy button to every .copyable element. Clicking this
// button copies the contents of the element to the clipboard.
//
// TODO(mwhittaker): Display a message letting the user know the contents were
// successfully copied.
function addCopyButtons() {
  for (let e of document.querySelectorAll('.copyable')) {
    const text = e.textContent;
    const button = document.createElement('button');
    button.innerText = '📋';
    button.classList.add('copy-button');
    button.addEventListener('click', function() {
      if (navigator.clipboard) {
        navigator.clipboard.writeText(text);
      }
    });
    e.appendChild(button);
  }
}

window.addEventListener('load', addCopyButtons);
